TLE42754D datasheet(19/26 Pages) INFINEON

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Data Sheet

Rev. 1.1, 2008-09-24

TLE42754

Block Description and Electrical Characteristics

Electrical Characteristics Reset Function

I = 13.5 V, -40 °C ≤ Tj ≤ 150 °C, all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

Output Undervoltage Reset

5.3.1

Output Undervoltage Reset

Switching Thresholds

4.5

4.65

4.8

Q decreasing

Reset Output RO

5.3.2

Reset Output Low Voltage

RO,low

–0.2

0.4

1 V

≤ VQ ≤ VRT ;

RO = 0.2 mA

5.3.3

Reset Output

Sink Current Capability

RO,max

0.2

–

1 V

≤ VQ ≤ VRT ;

RO = 5 V

5.3.4

Reset Output

Leakage Current

RO,leak

–0

µA

RO = 5 V

5.3.5

Reset Output External

Pull-up Resistor to

5–

–k

Ω

≤ VQ ≤ VRT ;

RO ≤ 0.4 V

Reset Delay Timing

5.3.6

Power On Reset Delay Time

D = 47 nF

5.3.7

Upper Delay

Switching Threshold

–1.8

–V

–

5.3.8

Lower Delay

Switching Threshold

DRL

–0.65

–

5.3.9

Delay Capacitor

Charge Current

D,ch

–5.5

–µA

D = 1 V

5.3.10

Delay Capacitor

Reset Discharge Current

D,dch

–

100

–

D = 1 V

5.3.11

Delay Capacitor

Discharge Time

rr,d

–

0.5

µs

Calculated Value:

rr,d = CD*(VDU -

DRL)/ ID,dch

D = 47 nF

TLE42754D

TLE42754G

5.3.12

Internal Reset Reaction Time

rr,int

–4

7µs

D = 0 nF

TLE42754D

TLE42754G

1) parameter not subject to production test; specified by design

5.3.13

Reset Reaction Time

rr,total

–

4.5

µs

Calculated Value:

rr,total = trr,int + trr,d

D = 47 nF

TLE42754D

TLE42754G

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